National Hearing Aid Distributors, Inc. Trademarks
SUPER-SIL
Filed: December 3, 1993
silicone molding compounds for use in making impressions of ear canals for fitting hearing aids, sold only to professional…
Owned by: National Hearing Aid Distributors, Inc.
Serial Number: 74466626
BITE BLOCK
Filed: November 19, 1996
devices used by professional fitters of hearing aids to prevent the hearing aid recipient's mouth from closing during the…
Owned by: National Hearing Aid Distributors, Inc.
Serial Number: 75200107
